I've cleaned both pens but can't remove the nibs, the nib on the black pen has some corrosion from the breather hole to the tip of the nib and is barely writing. The filling system on the black pen works really well but the ink isn't getting to the tip properly and unless I can find a way to swap the nibs over the pen is useless. The maroon pen won't accept a Sheaffer cartridge or the converter I have, the cartridge is too big and gets stuck in the barrel.
Not my finest purchases and I loss of £18 ah well, my hunt for a touchdown filler will continue.
Rather than give up and bin the pens I thought I'd try to get the nibs out of both pens using force, I used rubber and pliers and was able to pull the nibs out, however I don't think they're meant to be pulled out of the front as both nibs chipped the sections a little. The chips are tiny and if the pen works I'll never notice them, it took quite a bit of fiddling but I was able to get the maroon pens nib into the black pen. Once the nib was in I realised that one tine was a fraction higher than the other so I got out an emery board and carefully smoothed the nib out, the nib is now fairly smooth and writes a very fine line.
I'm now the proud(or at least satisfied) owner of touchdown filler, I got lucky with the nib as I prefer fine and the maroon pens nib is F or EF and writes well on even cheap paper. At some point I may fine tune the nib more but for now I'm happy with it
Edited by andymcc, 08 August 2014 - 15:12.